<template>
    <div class="shopcar-container">
       <div class="goods-list"> 
           <!-- 商品列表项区域 -->
           <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
                        <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                            @change="selectedChange(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path" >
                        <div class="info">
                            <h1>{{item.title}}</h1>
                            <p>
                                <span class="price">￥{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox> 
                                <!-- prevent阻止 a 链接默认事件 -->
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                            </p>
                        </div>
					</div>
				</div>
			</div>
       </div>
       <!-- 结算区域 -->
       <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计(不含运费)</p>
                            <p>已勾选商品 <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件, 总价
                            <span class="red">￥{{$store.getters.getGoodsCountAndAmount.amount}}</span> 元</p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
					</div>
				</div>
			</div>
    </div> 
</template>

<script>
    import numbox from '../subcomponents/shopcar_numbox.vue'
    import { Toast } from 'mint-ui'
    export default{
        data(){
            return{
                goodslist : [
                    {
                        id:1,
                        title:"一只可爱的小猫咪",
                        thumb_path:"/static/images/shuijiao.jpg",
                        sell_price:1999
                    }
                ]
            }
        },
        created(){
            // this.getGoodslist();
        },
        methods:{
            getGoodslist(){
                //获取到 store 中所有的商品id,然后拼接一个 用逗号分隔的ids 字符串
                var idArr = []
                this.$store.state.car.forEach(item => idArr.push(item.id));
                if(idArr.length <= 0){//购物车中没有参数
                    return ;
                }
                //获取购物车商品列表
                this.$http.get('api/goods/getshopcarlist/'+idArr.join(',')).then(result => {
                   if(result.body.status == 0){
                       this.goodslist = result.body.message;
                   }
                });
            },
            remove(id,index){//点击删除,把商品从store中根据id删除,同时把当前数组中的对应数据使用index删除
                this.goodslist.splice(index,1);
                //远程的数据删除
                this.$store.commit('removeFromCar',id)
            },
            selectedChange(id,value){//每当点击开关,把最新状态同步到store中
                this.$store.commit('updateSelected',{id,selected:value})
            } 

        },
        components:{//用来注册子组件的节点
             numbox
        }
    }
</script>

<style lang="scss" scoped>
    .shopcar-container{
        background-color: #eee;
        overflow: hidden;
        .goods-list{
            .mui-card-content-inner{
                display: flex;
                align-items: center;//纵向居中
            }
            img{
                width: 60px;
                height: 60px;
            }
            h1{
                font-size: 13px;
            }
            .info{
                display: flex; 
                flex-direction: column;
                justify-content:space-between;
                p{
                    font-size: 13px;
                    .price{
                        color: red;
                        font-weight: bold;
                    }
                }
            }
        }
        .jiesuan{
            display: flex;
            justify-content:space-between;
            align-items: center;//纵向居中
            .red{
                color: red;
                font-size: 16px;
                font-weight: bold;
            }
        }
    }
</style>